168002069541 has 4 divisors (see below), whose sum is σ = 224002759392. Its totient is φ = 112001379692.

The previous prime is 168002069533. The next prime is 168002069581. The reversal of 168002069541 is 145960200861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145960200861 = 3 ⋅48653400287.

It is a cyclic number.

It is not a de Polignac number, because 168002069541 - 2³ = 168002069533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168002069493 and 168002069502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168002069531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28000344921 + ... + 28000344926.

It is an arithmetic number, because the mean of its divisors is an integer number (56000689848).

Almost surely, 2^168002069541 is an apocalyptic number.

It is an amenable number.

168002069541 is a deficient number, since it is larger than the sum of its proper divisors (56000689851).

168002069541 is an equidigital number, since it uses as much as digits as its factorization.

168002069541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56000689850.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 168002069541 in words is "one hundred sixty-eight billion, two million, sixty-nine thousand, five hundred forty-one".